21596712868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{355139}}^1$

素因数の和:355827

約数の個数: 24

約数和(自身を含む): 39497250240

約数和(自身を除く): 17900537372

約数列:

[1, 2, 4, 23, 46, 92, 661, 1322, 2644, 15203, 30406, 60812, 355139, 710278, 1420556, 8168197, 16336394, 32672788, 234746879, 469493758, 938987516, 5399178217, 10798356434, 21596712868]

約数ペア:

[(1, 21596712868), (2, 10798356434), (4, 5399178217), (23, 938987516), (46, 469493758), (92, 234746879), (661, 32672788), (1322, 16336394), (2644, 8168197), (15203, 1420556), (30406, 710278), (60812, 355139)]